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Biden govt unveils more controls on AI chip exports

The Biden administration on Monday announced new restrictions on Artificial Intelligence (AI) chip exports in its last move to block the flow of advanced technologies into China, Russia and other "countries of concern" on national security grounds.

Ukraine challenge

As the war in Ukraine grinds into its third year, the shifting dynamics of international politics and battlefield realities could make 2025 a pivotal year.

Why we should worry about a nuclear winter

On 16 July 1945, the world witnessed the mind-boggling destructive power hidden inside a nuclear bomb. After seeing the catastrophic might of the bomb at the Trinity Test Site in Alamogordo, New Mexico, Robert Oppenheimer, director of the Manhattan Project, famously invoked a quote from the Bhagavad Gita, "Now I am become death, the destroyer of worlds."